61772382 has 160 divisors (see below), whose sum is σ = 172846080. Its totient is φ = 16096320.

The previous prime is 61772377. The next prime is 61772393. The reversal of 61772382 is 28327716.

61772382 is a `hidden beast` number, since 617 + 7 + 2 + 38 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1012632 + ... + 1012692.

It is an arithmetic number, because the mean of its divisors is an integer number (1080288).

Almost surely, 2^61772382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61772382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86423040).

61772382 is an abundant number, since it is smaller than the sum of its proper divisors (111073698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61772382 is a wasteful number, since it uses less digits than its factorization.

61772382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 139 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 61772382 is about 7859.5408262824. The cubic root of 61772382 is about 395.3042189843.

The spelling of 61772382 in words is "sixty-one million, seven hundred seventy-two thousand, three hundred eighty-two".